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          树莓派3B规格-GPIO引脚图-负载电流参考
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        <p><strong>树莓派3B规格-GPIO引脚图-负载电流参考</strong></p>
<p><a target="_blank" rel="noopener" href="https://qcsunny.github.io/2017/09-14-%E6%A0%91%E8%8E%93%E6%B4%BE3B%E8%A7%84%E6%A0%BC-GPIO%E5%BC%95%E8%84%9A%E5%9B%BE-%E8%B4%9F%E8%BD%BD%E7%94%B5%E6%B5%81%E5%8F%82%E8%80%83/">github</a></p>
<p>树莓派3B规格等，用作备忘</p>
<figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br></pre></td><td class="code"><pre><span class="line">全选SOC: Broadcom BCM2837芯片</span><br><span class="line">**CPU**: 四核Cortex-A53@1.2GHz，ARMv8架构，32KB一级缓存 512KB二级缓存</span><br><span class="line">**GPU**: 双核VideoCore IV GPU@400MHz，3D core@300MHz，OpenGL ES 2.0，1080p 60fps h.264&#x2F;MPEG-4 AVC</span><br><span class="line">工作温度范围: SOC-40~85°C，LAN9514(0~70°C)</span><br><span class="line">内存: 1GB LPDDR2（900 MHz）</span><br><span class="line">SMSC LAN9514: 4个USB2.0 和10&#x2F;100M Ethernet共享</span><br><span class="line">BCM43438: WiFi（802.11 b&#x2F;g&#x2F;n 2.4GHz）和蓝牙4.1（BLE）,支持无线电</span><br><span class="line">GPIO: 40-pin</span><br><span class="line">视频接口: HDMI1.4</span><br><span class="line">接口: DSI显示屏接口（15-pin）、CSI 2 摄像头接口（15-pin）、3.5mm复合视频输出口、microSD接口</span><br><span class="line">供电: 支持5V 2.5A</span><br></pre></td></tr></table></figure>

<p>GPIO引脚图：<br><a target="_blank" rel="noopener" href="https://qcsunny.github.io/images/rpi-gpio.png"><img src="https://qcsunny.github.io/images/rpi-gpio.png" alt="img"></a></p>
<p>各个版本树莓派在启动、空载、播放视频、满载下电流大小对比：</p>
<table>
<thead>
<tr>
<th align="left"></th>
<th align="center"></th>
<th align="center">Pi1 (B+)</th>
<th align="center">Pi2 B</th>
<th align="center">Pi3 B (amps)</th>
<th align="center">Zero (amps)</th>
</tr>
</thead>
<tbody><tr>
<td align="left">Boot</td>
<td align="center">Max</td>
<td align="center">0.26</td>
<td align="center">0.40</td>
<td align="center">0.75</td>
<td align="center">0.20</td>
</tr>
<tr>
<td align="left"></td>
<td align="center">Avg</td>
<td align="center">0.22</td>
<td align="center">0.22</td>
<td align="center">0.35</td>
<td align="center">0.15</td>
</tr>
<tr>
<td align="left">Idle</td>
<td align="center">Avg</td>
<td align="center">0.20</td>
<td align="center">0.22</td>
<td align="center">0.30</td>
<td align="center">0.10</td>
</tr>
<tr>
<td align="left">Video playback (H.264)</td>
<td align="center">Max</td>
<td align="center">0.30</td>
<td align="center">0.36</td>
<td align="center">0.55</td>
<td align="center">0.23</td>
</tr>
<tr>
<td align="left"></td>
<td align="center">Avg</td>
<td align="center">0.22</td>
<td align="center">0.28</td>
<td align="center">0.33</td>
<td align="center">0.16</td>
</tr>
<tr>
<td align="left">Stress</td>
<td align="center">Max</td>
<td align="center">0.35</td>
<td align="center">0.82</td>
<td align="center">1.34</td>
<td align="center">0.35</td>
</tr>
<tr>
<td align="left"></td>
<td align="center">Avg</td>
<td align="center">0.32</td>
<td align="center">0.75</td>
<td align="center">0.85</td>
<td align="center">0.23</td>
</tr>
</tbody></table>
<p>测试环境：室温，系统Raspbian (26 Feb 2016)，连上HDMI、USB键盘和鼠标，Pi3 B连接上WiFi热点。</p>

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